EP1566896A1 - Procédé de communication utilisant une pluralité d'antennes émettrices de réseau - Google Patents

Procédé de communication utilisant une pluralité d'antennes émettrices de réseau Download PDF

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Publication number
EP1566896A1
EP1566896A1 EP04003631A EP04003631A EP1566896A1 EP 1566896 A1 EP1566896 A1 EP 1566896A1 EP 04003631 A EP04003631 A EP 04003631A EP 04003631 A EP04003631 A EP 04003631A EP 1566896 A1 EP1566896 A1 EP 1566896A1
Authority
EP
European Patent Office
Prior art keywords
ant
message
network
antennas
radio
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP04003631A
Other languages
German (de)
English (en)
Inventor
Hui Dr. Li
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Priority to EP04003631A priority Critical patent/EP1566896A1/fr
Priority to PL04805016T priority patent/PL1716645T3/pl
Priority to DE502004004322T priority patent/DE502004004322D1/de
Priority to KR1020067016766A priority patent/KR101136233B1/ko
Priority to US10/589,888 priority patent/US20070173243A1/en
Priority to AT04805016T priority patent/ATE367017T1/de
Priority to PCT/EP2004/053686 priority patent/WO2005091524A1/fr
Priority to CN2004800418479A priority patent/CN1918816B/zh
Priority to EP04805016A priority patent/EP1716645B1/fr
Priority to JP2006553466A priority patent/JP2007523552A/ja
Publication of EP1566896A1 publication Critical patent/EP1566896A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission

Definitions

  • the invention relates to a method for communication in one Radio communication system according to the preamble of the claim 1. Furthermore, the invention relates to a network-side Device and a computer program product for implementation of the procedure.
  • messages such as Signaling messages or payload messages with voice information, image information, video information, SMS (Short Message Service), MMS (Multimedia Messaging Service) or other data, with the help of electromagnetic Waves over a radio interface between senders and receiving station.
  • SMS Short Message Service
  • MMS Multimedia Messaging Service
  • electromagnetic Waves over a radio interface between senders and receiving station.
  • At the stations can depending on the specific configuration of the radio communication system around diverse participant-side Radio stations and network-side radio devices act.
  • a mobile communication system is at least a part of the subscriber radio stations around mobile radio stations.
  • the radiating electromagnetic Waves occur at carrier frequencies in the for the respective System provided frequency band lie.
  • Cellular communication systems are often cellular Systems e.g. according to the standard GSM (Global System for Mobile Communication) or UMTS (Universal Mobile Telecommunications System) with network-side devices, e.g. base stations and facilities for controlling and controlling the base stations educated.
  • GSM Global System for Mobile Communication
  • UMTS Universal Mobile Telecommunications System
  • WLANs wireless local Networks
  • AP Access Point
  • WLANs covered cells are with a diameter of up to to a few hundred meters compared to usual mobile radio cells small.
  • Examples of different standards for WLANs are HiperLAN, DECT, IEEE 802.11, Bluetooth and WATM.
  • the invention is based on the object, an efficient To present method of communication in which a message via a plurality of network-side antennas to a Radio station is sent. Furthermore, a network-side Device and a computer program product for a network-side Device proposed for carrying out the method become.
  • the method is used in a radio communication system, which network facilities and radio stations.
  • a message from a radio station is from the network side Receive antennas.
  • a payload message will be sent via a plurality of network-side antennas to the Radio station transmitted.
  • the affiliation depends from network-side antennas to the plurality of network-side Antennas off which network side antennas the message received the radio station.
  • the radio communication system can be e.g. to network-side antennas, facilities for controlling the antennas and devices for creation of sending and processing received messages act.
  • the radio stations may e.g. diverse, especially mobile, subscriber stations include.
  • the radio communication system may be cellular System, each radio cell one or more having network-side antennas.
  • all network-side antennas are the respective ones Radio cell connected to a network-side device, which messages to be broadcast to the network side Antennas transmitted.
  • Mains-side antennas different Radio cells received the messages to be broadcast by them from different network-side devices.
  • the message of the radio station, due to their receipt can be decided on the network side, via which network side Antennas to a future to be sent payload message the radio station is to be sent, in particular identification information the radio station.
  • a payload message is received the radio station is sent via a plurality of antennas.
  • the Composition of the plurality of network-side antennas i. the question from which network-side antennas the majority of network-side antennas, can be determined that all those network-side antennas that receive the message have received the radio station or with a minimum reception level received the payload message to the Send radio station.
  • the message of the radio station also have other criteria for setting the A plurality of the network side antennas are used, e.g. a minimum or maximum number of network-side to use Antennas, a load of network-side antennas and / or a geographical or cellular distribution or Arrangement of the network-side antennas.
  • the network-side antennas of the Plurality of network-side antennas in different positions within the radio communication system, i. are separated by distances, which are large compared to the Radio transmission used wavelength.
  • a cellular System e.g. can be the network side antennas of a cell are distributed about the cell regularly.
  • the sending of the payload message to the Radio station over the plurality of network-side antennas in time synchronous or at least approximately synchronous or with network time differences between the transmission the user data message on the individual network side Antennas.
  • the network side received message to a signaling message which from the radio station at regular intervals is sent.
  • the content of the message can be included here every shipment can be the same, but it can also be from Partial or total diversion of shipment.
  • Sending at regular intervals means that the radio station for sending the message is not necessarily must be requested by a network-side device.
  • the signaling message can in particular exclusively for the purpose of determining the network side antennas over which suitably the sending of messages to the Radio station is made to be sent by the radio station.
  • the intervals between the individual shipments of the Message can the radio station from a network-side device be communicated, with an adjustment of the time intervals to various circumstances, such as the nature of the Radio station in the downlink service used or the current utilization of radio resources, possible is.
  • Another embodiment of the invention according to a first message via at least one network-side antenna transmitted to the radio station, and at the network received Message is on the reception of the first message sent response message.
  • the first message about a group of network-side Antennas is sent, this group being the majority the network-side antennas, via which later the user data message is sent to the radio station comprises.
  • the First message can in particular an identification information the radio station.
  • the first Message about a signaling message which the radio station asks to send the response message.
  • the radio station is explicitly requested the message which are then network-side for the selection of suitable Network-side antennas for sending messages can be used to the radio station.
  • the signaling message exclusively to the purpose of requesting the reply message becomes.
  • the first message is in regular first Sent intervals. It is also possible that the first Message before sending the payload message to the Radio station is sent, on the condition that since the Last sending of a message of the first message type a certain second time interval has elapsed.
  • the latter embodiment makes it possible, if the network side there is a payload message for the radio station, to check when the last time it was determined which network side Antennas are to be used for shipment. Is this last determination longer than the second time interval ago, so a first message can be sent to the front of the Sending the payload message the appropriate network-side Specify antennas. Also the combination of the regular Sending the first message with a dispatch of the first Message for a specific reason, i. with the review, whether the first message before sending a payload message is to be sent is possible.
  • An advantageous embodiment of the invention according to acts the first message is a message with user data and at the response message for confirmation of the Receiving the user data by the radio station.
  • the Use confirmation messages from the radio station to Determination of suitable antennas for data transmission in Downward direction is particularly advantageous when the Radio station uses a service in which you sent a variety of messages in the downward direction be used, or in which payload exclusively in the downward direction be transmitted, e.g. in case that the radio station downloads data from the internet.
  • the first message across all the network side Antennas of one or more radio cells of the radio communication system or over all network-side antennas of the radio communication system is sent.
  • the decision about via which network-side antennas the first message sent to the radio station can be made dependent on it How exactly is the current position of the radio station in the Radio communication system is known.
  • the plurality of network-side Antennas of the same radio cell of the radio communication system belong, or that at least some of the network-side antennas the plurality of network-side antennas different Radio cells of the radio communication system belong. hereby can handover operations between different radio cells be simplified.
  • the first message identification information of the respective Radio cell via its network-side antenna or antennas it is sent, and the response message includes identification information the radio cell or radio cells, from their network-side antenna or antennas, the radio station received the first message.
  • the first message carries in each of these radio cells one different cell-specific identification information.
  • the radio station only receives the first message via network-side antennas of a single radio cell, so includes the response message identification information only from this radio cell.
  • the radio station receives the first Message, however, via network antennas of a first and a second radio cell, so includes the response message Identification information from both radio cells.
  • the network-side device has:
  • a computer program product in the context of the present invention in addition the actual computer program (with its over the normal physical interaction between program and arithmetic unit in particular technical effect) a record carrier for the computer program, a file library, a configured arithmetic unit, but also for example a storage device or server on which or the files associated with the computer program are, understood.
  • the network-side device according to the invention and also the invention Computer program product are particularly suitable for carrying out the method according to the invention, wherein this also applies to the refinements and developments. For this they may have other suitable means.
  • the network-side device according to the invention can also by a plurality of interconnected network-side devices be realized, which the respective means exhibit.
  • FIG 1 are two illustrated by clouds radio cells FZ1 and FZ2 of a radio communication system shown.
  • the first radio cell FZ1 are distributed the three network-side antennas ANT-A, ANT-B and ANT-C, which with the first control device APS1 (APS: Antenna Processing Station) are connected. While the antennas ANT-A, ANT-B and ANT-C for receiving and sending messages from or to radio stations, e.g. the mobile station MS, responsible are, finds any processing of radio signals in the control device APS1 instead.
  • the second radio cell FZ2 in which the two network-side antennas ANT-D and ANT-E with the second control device APS2 are connected.
  • the two controllers APS1 and APS2 are, if necessary, through other facilities with each other connected. Other radio cells, infrastructures and Participant radio stations are for clarity half not shown in Figure 1.
  • Radio cell Under a radio cell here is the geographical area understood that supplies of those network-side antennas which is connected to a common control device are. Antennas of different radio cells are not directly connected to the same control device. Various Radio cells may overlap.
  • the dispatch takes place simultaneously via a Plurality of network-side antennas.
  • the mobile station MS can combine the signals of the different network-side antennas and thus decode a message more reliably than at the transmission by a single network-side antenna. in this connection It is beneficial to have a message only about ones To send antennas whose signals the mobile station MS due receive their current whereabouts. Become Antennas used beyond this will cause unnecessary interference generated for messages from other subscriber stations.
  • FIG. 2 shows the case that the message MESSAGE received by the antennas ANT-A, ANT-B and ANT-C becomes. This constellation can e.g.
  • the messages INFORM share the three antennas ANT-A, ANT-B and ANT-C of the controller APS1 with that message MESSAGE received from the mobile station MS, or the three antennas ANT-A, ANT-B and ANT-C route the message MESSAGE of the mobile station MS to the control device APS1 further.
  • the network side a message DATA for the mobile station MS before, this is from the controller APS1 the three antennas ANT-A, ANT-B and ANT-C are sent, which forward them to the mobile station MS.
  • the mobile station MS sends the message MESSAGE unsolicited at regular intervals T-MS off. Until next Sending the message MESSAGE will be due to the reception the previous message MESSAGE detected antennas ANT-A, ANT-B and ANT-C for sending messages to the Mobile station MS used.
  • the length of the time interval between The individual transmissions of the news MESSAGE becomes the Mobile station MS notified by the network. This can be considered be that it is when the mobile MS often Receives messages, is beneficial, the message MESSAGE to broadcast at short intervals. This can be avoided that too often news broadcast via antennas which does not receive the mobile station MS can.
  • it is infrequently news for the mobile station MS cheaper, the Message MESSAGE with larger time intervals to broadcast T-MS. This allows the signaling overhead, which is generated by sending the message MESSAGE become.
  • FIG. 2 shows the case that the next one of FIG Mobile station MS sent message MESSAGE from the antennas ANT-B, ANT-C and ANT-D.
  • the antennas ANT-B, ANT-C and ANT-D tell the controller INFORM with the news that they are the Message MESSAGE the mobile station MS have received, or the three antennas ANT-B, ANT-C and ANT-D route the message MESSAGE of the mobile station MS to the control device APS1 further.
  • the notification of the controller APS1 by The antenna ANT-D can be connected via the antenna ANT-D Control device APS2 done.
  • the two antennas ANT-B and ANT-C give them assigned control device APS1, and the antenna ANT-D the its assigned controller APS2 informs, after which the Both controllers APS1 and APS2 have information about receiving the message MESSAGE in its radio cells or the message MESSAGE to a common network-side device forward them to the mobile station MS message to be sent DATA transmitted.
  • the shipment the message DATA to the mobile station MS takes place afterwards via the three antennas ANT-B, ANT-C and ANT-D.
  • FIG. 3 Another approach is shown in FIG. While in Figure 2, the mobile station MS the message MESSAGE, is derived from their reception, which antennas in the to send the following messages to the mobile station MS are shipped unsolicited, takes place at the beginning of in FIG 3 process shown the dispatch of a Message ADR (ADR: Antenna Detection Request) to the mobile station MS, by means of which the mobile station MS is named their identification information is requested, a Signaling message with their identification information to send.
  • the message ADR is transmitted through the three antennas ANT-A, ANT-B and ANT-C sent to the mobile station MS. It is assumed that the network is known, that the mobile station MS in the radio cell FZ1 or at least in the vicinity of the radio cell FZ1 stops. It However, it is also possible to send the message ADR via the antennas a plurality of radio cells or all the antennas of the Radiocommunication system to broadcast.
  • the mobile station In response to receiving the message ADR, the mobile station transmits MS embracing their identification information Message ADD (ADD: Antenna Detection Done) issued by the antennas ANT-B and ANT-C is received.
  • the antennas ANT-B and ANT-C inform the controller APS1 INFORM the message that they have an ADR message from have received the mobile station MS, or forward the message ADR from the mobile station MS to the controller APS1 continues.
  • the message DATA on the Antennas ANT-B and ANT-C which receive the message ADR from the Mobile station MS have been sent to the mobile station MS.
  • the sending of the ADR message may be at regular intervals respectively. It is more advantageous, however, that a Messages ADR is always broadcast when network side there is a message to the mobile station MS. It is also possible, in the presence of a message to the mobile station MS to check when the last message ADR was sent, and to send a new message ADR only if since the last shipment a certain amount of time has passed.
  • the messages ADR can with identification information be equipped of that radio cell in which they to be shipped. Will a message ADR in multiple radio cells broadcast, so in each radio cell of the respective Radio cell corresponding identification information inserted in the message ADR. Sends the mobile station MS then an ADD response to the ADR message, she adds the Answer ADD the identification information of those radio cells via whose antennas they receive the message ADR Has. This is particularly advantageous when the mobile station MS the message ADR from antennas of different Receiving radio cells.
  • the controller is a radio cell known by the evaluation of the message ADD, a mobile station also antennas of other radio cells can receive without this fact of the respective Control device from another control device or be communicated to another network-side device got to.
  • the mobile station MS After receiving a message DATA, the mobile station MS confirms the reception the message DATA by sending a message ACK, which identification information of the mobile station MS includes.
  • Those network-side antennas containing the message ACK have received, in Figure 3, the antennas ANT-B, ANT-C and ANT-D, inform as described above with the Message INFORM the controller APS1 or the control devices APS1 and APS2 about receiving the message ACK from the mobile station MS, or forward the message ACK from the mobile station MS to the respective control device APS1 or APS2 continue.
  • FIG. 4 shows schematically the structure of the control device APS1.
  • the controller receives via the means RECEIVE APS1 the messages INFORM or the network-side antennas received messages from network antennas.
  • the controller APS1 which antennas in the following a message transmission to a mobile station should.
  • About the means INSTRUCT is the corresponding, informed by means of DECIDE certain antennas, that they send a message to the respective mobile station should.
  • Corresponding is also a network-side device built in the event that a mobile station Message sent via antennas from different radio cells shall be.
  • the means RECEIVE receive the messages INFORM or received in the various radio cells Messages not directly from the network antennas, but via the respective antennas assigned control devices.
  • the means communicate in an analogous way INSTRUCT not directly with the network-side antennas, but with the respective antennas assigned to the control devices.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Small-Scale Networks (AREA)
  • Radio Transmission System (AREA)
EP04003631A 2004-02-18 2004-02-18 Procédé de communication utilisant une pluralité d'antennes émettrices de réseau Withdrawn EP1566896A1 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
EP04003631A EP1566896A1 (fr) 2004-02-18 2004-02-18 Procédé de communication utilisant une pluralité d'antennes émettrices de réseau
PL04805016T PL1716645T3 (pl) 2004-02-18 2004-12-23 Sposób komunikacji poprzez wiele sieciowych anten nadawczych
DE502004004322T DE502004004322D1 (de) 2004-02-18 2004-12-23 Verfahren zur kommunikation ber eine mehrzahl von netzseiti gen sendeantennen
KR1020067016766A KR101136233B1 (ko) 2004-02-18 2004-12-23 다수의 네트워크측 전송 안테나들을 이용한 통신 방법
US10/589,888 US20070173243A1 (en) 2004-02-18 2004-12-23 Method for communicating by means of a plurality of network-side transmission antennas
AT04805016T ATE367017T1 (de) 2004-02-18 2004-12-23 Verfahren zur kommunikation ber eine mehrzahl von netzseiti gen sendeantennen
PCT/EP2004/053686 WO2005091524A1 (fr) 2004-02-18 2004-12-23 Procede pour communiquer par l'intermediaire d'une pluralite d'antennes emettrices cote reseau
CN2004800418479A CN1918816B (zh) 2004-02-18 2004-12-23 通过多个网络侧发射天线进行通信的方法
EP04805016A EP1716645B1 (fr) 2004-02-18 2004-12-23 Procede pour communiquer par l'intermediaire d'une pluralite d'antennes emettrices cote reseau
JP2006553466A JP2007523552A (ja) 2004-02-18 2004-12-23 多数のネットワーク側送信アンテナを介する通信方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04003631A EP1566896A1 (fr) 2004-02-18 2004-02-18 Procédé de communication utilisant une pluralité d'antennes émettrices de réseau

Publications (1)

Publication Number Publication Date
EP1566896A1 true EP1566896A1 (fr) 2005-08-24

Family

ID=34707307

Family Applications (2)

Application Number Title Priority Date Filing Date
EP04003631A Withdrawn EP1566896A1 (fr) 2004-02-18 2004-02-18 Procédé de communication utilisant une pluralité d'antennes émettrices de réseau
EP04805016A Not-in-force EP1716645B1 (fr) 2004-02-18 2004-12-23 Procede pour communiquer par l'intermediaire d'une pluralite d'antennes emettrices cote reseau

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP04805016A Not-in-force EP1716645B1 (fr) 2004-02-18 2004-12-23 Procede pour communiquer par l'intermediaire d'une pluralite d'antennes emettrices cote reseau

Country Status (9)

Country Link
US (1) US20070173243A1 (fr)
EP (2) EP1566896A1 (fr)
JP (1) JP2007523552A (fr)
KR (1) KR101136233B1 (fr)
CN (1) CN1918816B (fr)
AT (1) ATE367017T1 (fr)
DE (1) DE502004004322D1 (fr)
PL (1) PL1716645T3 (fr)
WO (1) WO2005091524A1 (fr)

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KR100856520B1 (ko) * 2007-02-21 2008-09-04 삼성전자주식회사 와이맥스 이동통신 시스템에서 핸드오버를 수행하기 위한시스템 및 방법
JP5021814B2 (ja) * 2007-10-30 2012-09-12 テレフオンアクチーボラゲット エル エム エリクソン（パブル） 分散型アンテナシステム
DE102016105620A1 (de) 2015-04-27 2016-10-27 Intel Corporation Softwaredefiniertes zellulares System mit verteilten Antennen
US10448282B2 (en) * 2015-04-27 2019-10-15 Intel Corporation Software defined cellular system with distributed antennas
EP3664311B1 (fr) * 2017-08-02 2022-11-02 LG Electronics Inc. Procédé et dispositif permettant de mesurer et de rapporter un signal dans un système de communication sans fil

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GB2332122A (en) * 1997-12-05 1999-06-09 Motorola Ltd Transmitting a downlink signal in different directions at different times
WO2001018991A1 (fr) * 1999-09-08 2001-03-15 Motorola Inc. Selection de liaison dans un systeme de communications
US6320898B1 (en) * 1998-11-30 2001-11-20 Nortel Networks Limited CDMA pseudo-smart antenna selection
WO2002027972A2 (fr) * 2000-09-29 2002-04-04 Arraycomm, Inc. Transmission descendante dans un systeme de transmission de donnees sans fil comportant une station de base equipee d'un systeme d'antennes intelligentes

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US6097969A (en) * 1997-12-31 2000-08-01 Weblink Wireless, Inc, System for scheduling reverse-channel messages in narrowband communications systems and methods of operation
JP2002185372A (ja) * 2000-12-15 2002-06-28 Matsushita Electric Ind Co Ltd アンテナ切換機能を有する携帯無線装置
JP2003116162A (ja) * 2001-10-05 2003-04-18 Toshiba Corp 移動通信端末装置及びシステム選択方法
KR100886534B1 (ko) * 2002-03-27 2009-03-02 삼성전자주식회사 코드 분할 다중 접속 통신 시스템에서 시공간 송신 다이버시티 방식을 이용한 채널 신호 수신 장치 및 방법
US7535846B2 (en) * 2002-05-21 2009-05-19 Samsung Electronics Co., Ltd Method for handling inter-RAT measurement and report in a dual-mode user equipment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2332122A (en) * 1997-12-05 1999-06-09 Motorola Ltd Transmitting a downlink signal in different directions at different times
US6320898B1 (en) * 1998-11-30 2001-11-20 Nortel Networks Limited CDMA pseudo-smart antenna selection
WO2001018991A1 (fr) * 1999-09-08 2001-03-15 Motorola Inc. Selection de liaison dans un systeme de communications
WO2002027972A2 (fr) * 2000-09-29 2002-04-04 Arraycomm, Inc. Transmission descendante dans un systeme de transmission de donnees sans fil comportant une station de base equipee d'un systeme d'antennes intelligentes

Also Published As

Publication number Publication date
CN1918816A (zh) 2007-02-21
WO2005091524A1 (fr) 2005-09-29
DE502004004322D1 (de) 2007-08-23
ATE367017T1 (de) 2007-08-15
CN1918816B (zh) 2012-07-18
KR101136233B1 (ko) 2012-04-17
EP1716645B1 (fr) 2007-07-11
KR20060133586A (ko) 2006-12-26
US20070173243A1 (en) 2007-07-26
EP1716645A1 (fr) 2006-11-02
JP2007523552A (ja) 2007-08-16
PL1716645T3 (pl) 2007-11-30

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